Wednesday's TV Highlights: 'Psych' returns on USA

HANDCUFFED:'Psych,' with Dule Hill, left, and James Roday, returns at 10 p.m. on USA.

SERIES

Mercy: Veronica (Taylor Schilling) tries to get help for her PTSD by attending a veterans support group. Jason Ritter guest stars in this repeat (8 p.m. NBC).

Tavis Smiley Reports: The talk-show host accompanies Secretary of State Hillary Rodham Clinton on a diplomatic mission abroad and to meetings on Capitol Hill in the premiere of this new series (8 p.m. KCET).

The National Parks: America's Best Idea: Ken Burns' 12-hour, six-part documentary series, which chronicles the once-radical idea of preserving the nation's most beautiful and unique places for the general public, returns for an encore airing (9 p.m. KCET).

Steven Seagal Lawman: Deputy Chief Seagal and his team work with a narcotics unit on an undercover sting in this new episode (10 p.m. A&E).

Launch My Line: The two-part season finale opens with designers scrambling to put the rest of their fashion lines together (10 p.m. Bravo).

The E! True Hollywood Story: The life of Grammy-winning musician Usher is charted through interviews and performance footage (10 p.m. E!).

Spectacle: Elvis Costello With...: Bruce Springsteen comes back for more time with Elvis in the conclusion of his two part session (10 p.m. Sundance).